Soldiers of 4th Battalion, 25th Field Artillery Regiment, 3rd Brigade Combat Team, 10th Mountain Division (3-10 MTN) calibrate their M119 howitzer during a live-fire exercise Jan. 15 at Forward Operating Base Lighting, Afghanistan. The howitzer has seen extensive use in the rugged territory of Afghanistan, which over time has caused damage to the lower carriage and baseplate of the weapon. (Photo by SGT Javier Amador, 3-10 MTN Public Affairs)